package com.springclouddemo.gatewayzuulfilter.filters;

import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.netflix.zuul.exception.ZuulException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;

/**
 * @author 何昌杰
 */
@Component
public class PreRequestLogFilter extends ZuulFilter {

    private static final Logger log= LoggerFactory.getLogger(PreRequestLogFilter.class);

    @Override
    public String filterType() {
        return "pre";
    }

    @Override
    public int filterOrder() {
        return 1;
    }

    @Override
    public boolean shouldFilter() {
        return true;
    }

    @Override
    public Object run() throws ZuulException {
        RequestContext ctx = RequestContext.getCurrentContext();
        HttpServletRequest request = ctx.getRequest();
        log.info("send {} request to {}",request.getMethod(),request.getRequestURL());
        return null;
    }
}
